Texas Instruments LP3961EMPX-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.76 | $5.76 |
| 15+ | $1.32 | $19.80 |
| 25+ | $1.30 | $32.50 |
| 50+ | $1.22 | $61.00 |
| 100+ | $1.08 | $108.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.35V @ 800mA |
| Current - Output | 800mA |
| Current - Quiescent (Iq) | 9 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | - |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-5, TO-261AB |
| Supplier Device Package | SOT-223-5 |
| ROHS |  |
The LP3961EMPX-1.8 from Texas Instruments is a fixed 1.8V low dropout regulator capable of sourcing 800mA. Its low 0.35V dropout voltage ensures efficient operation from 2.5V or 3.3V rails. The SOT-223-5 package offers a compact footprint with good thermal performance for consumer and industrial applications.
- High Output Current: 800mA supports power-hungry digital loads.
- Low Dropout: 0.35V at full load minimizes power dissipation.
- Fixed 1.8V Output: Ideal for modern low-voltage logic.
- SOT-223-5 Package: Balances size and thermal resistance for reliable operation.
DSP and Microprocessor Cores
The LP3961EMPX-1.8 delivers 800mA at 1.8V, meeting the power demands of modern DSPs and MCUs in embedded systems.
FPGA I/O Banks
Provides a stable 1.8V rail for FPGA I/O buffers, ensuring reliable logic levels in high-speed designs.
Networking Equipment
With a low dropout of 0.35V, it efficiently powers Ethernet PHYs and switch ASICs from 2.5V rails.
Consumer Electronics
Ideal for set-top boxes and gaming consoles, delivering clean power to audio codecs and HDMI interfaces.
Industrial Automation
Powers sensors and actuators with 1.8V logic, maintaining performance in harsh factory environments.
Battery-Powered Tools
The high current capability supports motor controllers and display drivers in cordless devices.
- Q: What is the output voltage of the LP3961EMPX-1.8?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can provide up to 800mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V up to 7V, suitable for low-voltage rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.35V at 800mA, enabling efficient low-voltage conversion.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA, which is higher but acceptable for high-current applications.
- Q: What package is available?
- A: The device is available in a SOT-223-5 package.
LP3961EMPX-1.8/NOPB.pdf
- Q: What is the output voltage of the LP3961EMPX-1.8?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can provide up to 800mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V up to 7V, suitable for low-voltage rails.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.35V at 800mA, enabling efficient low-voltage conversion.
- Q: What is the quiescent current?
- A: The quiescent current is 9 mA, which is higher but acceptable for high-current applications.
- Q: What package is available?
- A: The device is available in a SOT-223-5 package.
